Features
- Small and easy to carry
- Consist of a handpump and gauge to check the wear of aircraft brakes
Key Tasks
The KUNZ CheckPump is a compact and reliable hand pump unit designed for the wear pin testing of aircraft brakes. It enables precise hydraulic pressure application to verify the correct function of brake wear indicators under realistic pressure conditions.
Consisting of a hand pump and pressure gauge, the CheckPump applies pressure to the brake system to check the wear of aircraft brake assemblies in a quick, portable and controlled manner. Its pressure range of 0–400 bar (0–5,801 psi) and 4-litre oil reservoir cover all standard wear pin testing requirements.
Designed for ease of use and consistent results, the CheckPump supports efficient maintenance processes while ensuring compliance with aviation safety standards – without the need for a full brake test stand.
Not every wear pin test requires a full brake test stand. The KUNZ CheckPump provides a compact, portable and precise alternative for the targeted testing of brake wear indicators, allowing maintenance teams to perform this check wherever and whenever it is needed.
With its straightforward hand pump and pressure gauge design, the CheckPump delivers controlled, measurable pressure application in a format that requires no complex setup and minimal operator training.


The KUNZ CheckPump is designed to cover all standard aircraft brake wear pin testing requirements, with a pressure range of 0–400 bar (0–5,801 psi) and a 9/16" UNF 18 quick-coupling for straightforward connection.
Its durable construction and consistent performance make it a dependable addition to any brake maintenance toolkit, supporting compliance with aviation safety standards on every inspection.
KUNZ CheckPump (Skydrol): 220.1000
KUNZ CheckPump (Mineral Oil): 220.1100
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